@article{10_4064_cm_30_1_127_131,
     author = {W. \.Zelazko},
     title = {Concerning a problem of {Arens} on removable ideals in {Banach} algebras},
     journal = {Colloquium Mathematicum},
     pages = {127--131},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1974},
     doi = {10.4064/cm-30-1-127-131},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-30-1-127-131/}
}